2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 66177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672921 Chlorbenside-sulfone, 10mg Price on request 678340 Iprobenfos, 100mg Price on request 51114 Aromatics in Gasoline Blends Mix #1 Price on request